Table 4.
Diagnostic accuracy of training and test datasets for various clinical parameters; 95% confidence intervals are presented within parentheses.
| Clinical Parameter |
Training CT Dataset |
Test CT Dataset | Training PET Dataset |
Test PET Dataset | Training Combined PET/CT Dataset | Test Combined PET/CT Dataset |
|---|---|---|---|---|---|---|
| Nodal Category | 64.3 (51.9–75.4) |
69.0 (49.2–84.7) |
85.7 (75.3–92.9) |
86.2 (68.3–96.1 |
87.1 (77.0–94.0) |
86.2 (68.3–96.1) |
| Tumor Category | 90.3 (81.0–96.0) |
70.4 (49.8–86.3) |
83.3 (72.7–92.1) |
70.4 (49.8–86.3) |
83.3 (72.7–91.1) |
81.5 (61.9–93.7) |
| PET Responders | 69.0 (55.5–80.5) |
60.0 (40.6–77.3) |
72.4 (59.1–83.3) |
66.7 (47.2–82.7) |
75.9 (62.8–86.1) |
70.0 (50.6–85.3) |
| Progression-Free Survival | 66.1 (53.0–77.7) |
60.7 (40.6–78.5) |
77.4 (65.0–87.1) |
75.0 (55.1–89.3) |
77.4 (65.0–87.1) |
75.0 (55.1–89.3) |
| Overall Survival (3 Yrs) | 56.0 (41.3–70.0) |
51.7 (32.6–70.6) |
58.0 (43.2–71.8) |
55.2 (35.7–73.6) |
68.0 (53.3–80.5) |
62.1 (42.3–79.3) |